tashfeen malik and syed farook identified. there's still no word of a possible motive. >>> there's a new report from the secret service that aims to provide insight into active shooters. >> and the report profiles the type of people most likely to pursue a mass shooting. elizabeth hur has more on the potential warning signs. >> reporter: in this video obtained by abc news, you can see why police must always be on guard. this is what prompted the lockdown at the pentagon in 2010, john patrick bedel calming walking toward the entrance and pulling out a 9-millimeter handgun and shooting. officers returned fire killing bedel. according to investigators bedel was paranoid and believed the government was spying on him. >> we continue to see these instances happen. all but one exhibited concerning behavior prior to the attack. >> reporter: this is one of 43 attacks on federal government buildings since 2001 studied by the secret service. the agency now urging law enforcement and the public to watch for warning signs. >> anywhere wher

times,"" this is interesting, isn't it, reporting that syed farook and his wife tashfeen malik were planning an even larger attack on a location with more people. >> the fbi dive team has been searching a lake near the site of last week's attack and we're learning more about the friend of farook who is still being questioned. matt gutman has details. >> reporter: divers dredging the bottom of this pond for possible evidence linked to the terrorist couple, syed farook and tashfeen malik. >> we did have a lead that indicated the subjects came into this area. >> reporter: hoping to salvage perhaps a device with digital data on it. while much of the couple's story remains murky, the portrait of a gunman's friend who authorities say bought the rifles use the in the rampage becoming clearer. enrique marquez may have lived a double life. his family members never knew the former punk rocker converteded to islam or that he had married a woman named mariya chernykh. his wife is one of two sisters who married american men. the other sister is married to farook's brother. federal authorities saying they

the fbi saying farook and his wife tashfeen malik were radicalized even before they met, and there's new evidence that together, they may have looked into other targets. details from abc's brian ross. >> reporter: authorities say they are investigating whether this high school in san bernardino county and its 2,400 students were to be the next target of the terror couple. photos of the complex have now been discovered on syed farook's these forms it is a place he came to at least twice last year as a health inspector. >> we're working very, very hard to understand did they have other plans, either for that day or earlier. >> reporter: the fbi says even before farook brought pakistani-born tashfeen malik back to the united states in the summer of 2014, even before they started dating, they were already committed terrorists. >> and online, as early as the end of 2013, they were talking to each other about jihad and martyrdom, before they became engaged and then married and lived together in the united states. >> reporter: which also means that whatever u.s. background checks were done

. >> police say syed farook and tashfeen malik had 6000 rounds of ammunition, 12 pipe bombs and there were 75 to 80 people in the room when they opened fire. 12 of the 14 people killed were county employees like farook. our coverage begins with abc's brian ross. >> the fbi is now treating the investigation of syed farook and his pakistan born wife tashfeen malik, as a case of terrorism. >> the evidence will lead us to the facts. we will go where the evidence takes us. >> reporter: behind the doors of the young couple's san bernardino home, police say they found an arsenal of weapons that could have been used to kill thousands of people. >> clearly they were equipped and they could have continued to do another attack. >> reporter: in the garage, a virtual bomb factory with 12 unexploded bombs, described as similar in make to this one featured in an al qaeda publication. and more than 6,100 unspent rounds or bullets found at the home, and in the getaway car, along with two high-powered assault rifles and two handguns. all purchased legally and quietly stockpiled by farook, prior to the

here's abc's brian ross. >> reporter: when tashfeen malik came to the united states for the first time l last yearshe had alreadady sent eensive messages online that she wanted to wage violent jid. but none of that was known to the officials handling her >> during that time period, immigration officials were not allowed to use or view social media as a part of the screening process. >> reporter: former homeland security official john cohen, now an abc news consultant, says there was a secret policy that prevented officials from screening the social media posts of visa applicants, fearing bad public relations for the obama administration. >> the primary concern was that it would be viewed negatively if it was disclosed publicly, and there were concerns it would be embarrassing. >> reporter: malik, who had becomeadicalized after college, had three interviews, showed pictures of an engagement party in saudi arabia, and her visa was approved in three weeks, a process the state department admitted failed. >> y you know,bviously, things went wrong. >> reporter: now, in the wake of the worst

malik shows they were planning an even larger attack on a location with more people. meantime, fbi divers will be back in a small lake near the attack site today, searching for evidence in connection with the attacks. >>> in the meantime, the first of the san bernardino victims has been laid to rest. mourners turned out in covina, california, to remember 27-year-old yvette velasco, who was among the youngest of the 14 people killed in last week's attack. on the day she was gunned down, velasco was set to receive a gold badge recognizing her as a san bernardino county health inspector. >>> there's a chilling link between last month's paris attacks and the u.s. a serbian arms factory says one of the guns linked to the islamic extremists was exported to an online dealer in florida. it's not known how the gun made its way back to europe. meanwhile, connecticut is acting on president boll's suggestion on gun control. the governor will block the sale of firearms to anyone on the federal no fly list. the u.s. said it rejected a similar ban last week. connecticut, already has

. >> reporter: officials say farouk and his wife, tashfeen malik who came here from pakistan, were sharply focused this surveillance video, obtained by abc news, shows farouk at a california firing range, just days before the attack, practicing with the weapons he and his wife would use. >> 911. >> we have an active shooter here. >> ma'am, listen to me, take a deep breath. is he still shooting? >> oh, my gosh. >> reporter: farouk and his wife killed 14 of his fellow workers at the party and wounded 22 more. >> how many rounds did he fire? they posted a message on facebook, pledging alegion yanss to isis leader abu bakr al baghdadi. but officials say the couple actually had to conduct an listen search that very morning. who is the leader of isis. >> maybe they didn't know who it was. >> reporter: two lone wolves. who died in a fierce gun battle with police after killing so many. and the couple had more terror in mind. authorities say t l conference room. when they were stopped by police, they had been circling the neighborhood for hours, trying to remotely detonate those bombs and take more

. >> farouq and tashfeen malik had made their plans to attack well in advance. >> there's been a mass shooting in a community college in southern oregon. >> somehow, this has become routine. >> gunfire ripping through this louisiana movie theater. >> a gunman opened fire. >> police exchanging gunfire with a man inside this colorado springs planned parenthood. >> horrific tragedy in charleston. >> these people were in church. >> dylann roof has been caught. >> we have no room for hate. we have to forgive. >> a historic moment set in motion by the killings. thousands gathered in selma to remember that day in 1965. >> it's become a very important day in my life. >> reporter: an ugly scene in baltimore. freddie gray. >> sandra bland's death in a texas jail is sparking outrage. >> police officer michael slager fires eight times at walter scott. >> he was my son. >> be on the lookout for two escapees from clinton county correctional facility. >> many comparing it to the plot of shawshank redemption. >> the massive manhunt finally over. >> an amtrak train derailed in philadelphia. >> going m

malik. a digital footprint that could prove critical for investigators amid new questions about the into the country in the first place. malik a little more, maybe she wouldn't have gotten a visa. maybe those people in san bernardino would be alive. >> reporter: malik vetted by department, and had a criminal background check. but investigators don't always scrub social media. after the attack they found malik's facebook post critical of moderate muslims. now the "new york times" reports she also talked openly on social media in support of violent jihad and "wanted to be a part of it." >> i'm asking to immediately initiate a program that would check the social media sites of those admitted on visas to see if they are using words and talking about things like jihad, explosives, mass shootings. it's outrageous that this isn't already done. >> reporter: one of the officers who chased the killer couple down is speaking out. sergeant andy capps butting up behind them with his sirens on. >> they ha

syed farook and tashfeen malik burst in through this door at the center of the conference room, opening fire, blowing out windows and striking many of the people at this table, the very table farook had been sitting at earlier. >> we have several down in a conferce room. several down. >> reporter:hey say farook entered rst, wearing a ski mask. the couple unloading at least 65 rounds. what are youou thinkin what are you doing? >> there was a small break in the table cloth and i just kept looking down and i kept hoping that the gunfire would stop, and i just -- i couldn't believe that it would stop. >> reporter: what went through your mind when you heard that name? >> a complete sense of betrayal. it amazes me every day how close this group is, how tight knit they are and it's nothing but betrayal. >> the co-workers telling me farook and his wife fired in complete silence. they say att one point they saw farook pointing the muzzle at the ground where the co-workers were laying injured. it appeared he fired on them one by one. abc news, san bernardino, california. >> every detail of that t

tashfeen malik. photos of the campus that he visited as a health inspector were found on a cell phone that the couple tried to destroy. the fbi director yesterday told congress the couple discussed >> they were actually radicalized before they started courting or dating each other online and were working very, very hard to understand did they have other plans either for ththat y. >> and a long-time friend of syedarook has admitted thate and farook considered a plot as far as back as 2012 but he says they got code feet when the fbi bubusted anoer terror plot in a nearby area. >> yet another twist. >>> the investigation into the plotting of the san bernardino massssacre hasevealed the couple's use of secret messages. authorities are looking into them and they have their hands full. here's abc's pierre thomas. >> reporter: abc news has learned that the killer couple in the san bernardinoassacre had devices with encryption on them, swing the retrieval of potential information about the plot. sources say

they are syed farook and tashfeen malik. reportedly the parents of a 6-month-old boy. they were killed in a shoot-out with police hours after the rampage. farook was a county employee as many are identifying who apparently worked with the victims of the shooting. >> witnesses say he left the event early described as angry before he returned with assault rifle semi-automatic handguns, even body armor. pretty remarkable just how well armed he was. the police chief saying there was some level of planning involved. there was no way this happened at the last minute. >> very well planned. awful. the mass shooting in california comes less than a week at the shooting at a planned parenthood in colorado springs. >> hillary clinton was discussing gun control in america even as the scene was unfolding in san bernardino. donald trump weighing in, as well. here's abc's tom llamas. >> reporter: as some were shooting and others were dying in san bernardino, california, on the other side of the country th no knowledge yet of the massacre, hillary clinton happened to be talking about g

two dead. 28-year-old syed farook and 27-year-old tashfeen malik. the chase was on. witnesses say the suspects exchanged gunfire with police before crashing. the neighborhood erupting in a barrage of bullets. >> oh, my gosh. >> dozens of police cars and all these men with guns were running behind me with guns drawn. i'm in the middle of it. and then more shots start fire. so big thunder. this time i'm really close. >> we were watching tv and hear gun fires left and right. and we -- my grandmother says go hide in the bathtub. go hide. i finally get into the bathtub. because there's marble walls so she said it will keep me safe. and we did that and after that, after a few minutes when the gunfire started to slow down, an fer came and said to get out of our house. there's a bomb in the front of our house. >> reporter: authorities feared the suspects threw potential explosives from the vehicle. as the bomb squad inspected the potential bombs, other officers on the hunt for a potential third suspect who may have fled the scene. residents helping to spot a suspicious man t

this one shows syed farook and tashfeen malik arriving as newly weds in chicago. the couple didn't raise any suspicions when they took target practice at a california gun range, the last time just days before the rampage. the fbi says they had been radicalized for some time. they're still trying to figure out how. >> she's probably the most radicalized of the two. and could easily persuade you know a spouse. >> authorities also got a chance to question the man who provided the couple with two high-powered rifles. enrique marquez grew up next door to farook. they remain close friends. he's now being detained. >> horrifying new tails this morning on what went on inside the conference room from some of the people lucky to make it out uninjured but likely forever scarred by the bloody images of the rampage carried out by one of their own. more from abc's cecilia vega. >> reporter: the shooting started before the attackers even walked in the room. >> it was pop, pop, pop, pop. >> maybe a little bit more. >> reporter: doors open? >> doors fly open. >> yes. >> yeah, they

responding units watch your crossfire. >> tashfeen malik the female firing out the back at police. >> the male suspect who was the driver got out and fired at officers from the street, as well. >> all in all firing 76 rounds. a neighbor capturing the gunfire. the suv now cornered. >> right now we have one down outside the car, one down inside the car. >> reporter: both suspects dead at the scene. and police finding assault rifles, handguns and thousands of rounds of ammunition in that car in addition to the 12 pipe bombs found in the house. this is still an active investigation. we've been watching fbi agents go into the house and come out with boxes of evidence. matt gutman, abc news, redlands, california. >> our coverage from san bernardino doesn't end here. look for our live updates later on "america this morning" as well as "good morning america." >>> following the second high-profile attack in two weeks, gun control is a hot presidential campaign issue. hillary clinton is telling new hampshire voters that she wants people to feel safe. she again called on congress to pass what sh

malik. there are new questions why they accounts. mahlik's facebook post how she wanted to be part of a violent jihad. >> also in california, a san jose hospital on alert. officials are tracking down nearly 1,000 patients including 350 newborns 0 who may have been exposed to tb. aditi roy has the story. >> reporter: a major medical scare in san jose, california. officials at the santa clara valley medical center are racing to contact more than 1,000 people who may have been exposed tb after a maternity ward nurse tested positive for the deadly disease. the hospital has identified 350 newborns, 368 mothers and 308 workers who may have had contact with the nurse between mid-august to mid-november. the hospital posting this letter to its website, "while the risk of infection is low, the consequences of a tuberculosis hospital officials recommend take an antibiotic for the next six months to nine months even if they test negative. >> the judgment is, it's safer to treat than not to treat. >> rep

times" reporting that syed farook and his wife tashfeen malik were plotting an even larger attack on a location with more people. fbi divers you see there are expected to be back in a lake near the site of the massacre today continuing their search for evidence. >> we did have a lead that indicated that the subjects came into this area. >> new details about the friend of syed farook who authorities say bought the rifles used in the rampage. enrique marquez is still being questioned by the fbi. he's not yet been arrested. family members say they never knew he converted to islam or that he got married. >> interesting. >>> a big scare in the heart of silicon valley after a suspicious substance appeared at the office of a muslim civil rights group. the council on american islamic relations in santa clara was evacuated after receiving an envelope containing white powder with the word "infidel" written on the front. a similar incident also prompted evacuations at the group's headquarters in washington. >>> authorities across the u.s. have been told to be on the lookout for counterfeit pass

. >> homeland security new focus follows the shooting rampage in san bernardino when tashfeen malik came to the united states for the first time and had already sent extensive messages about jihad. officials were prevented from seeing those because of a secret policy to save the administration embarrassment. >> the primary concern was that it would be viewed negatively if it was disclosed publicly. and there were concerns that it >> also part of the investigation that search of the lake nearby turned up no evidence according to law enforcement officials. the fbi has not commented. >>> today is the enrollment deadline for millions of americans signing up for health care insurance under obamacare. the federal government wants 10 million people enrolled in the new year, 900,000 more than this year. enrollees can expect to pay 7 1/2% more more coverage as health care costs go up. >> you had a panicked moment earlier. wasn't sure if you paid your premium. >> i haven't done so. i'm uninsured. don't injure me. >> try not to the. >>> top investment houses are dialing down their iphone forecasts.